. >> once an ally of the syrian president bashar assad, turkey flip support to the rebels. and now provides a safehane for fighters. >> -- safe haven for fighter fighters. the wail of ambulances signals more wounded rebels coming from life-saving treatment in turkey. much of the ammunition and weapons use in the rebel street to street combat comes across the same border, flowing in to syria. unverifiable amateur video shows the civil war intensifying. with rebels celebrating capture of syrian army checkpoint and commandeering armored personnel carrier. what the larger battle comes increasing death toll. estimated 200 in the past two days. the international community is reluctant to intervene militarily in the syrian civil war but the artillery exchanges between syria and turkey could easily escalate to a regional war. bringing in nato. but it may not end there. as the syrian regime enjoyed uncontinue support from russia and iran. bret? >> bret: leland vittert in our middle east newsroom. thank you. >>> up next, why is the number 716 billion so importantbe in this presidenti